| Hyattsville to Montalegre | 3,543.60 mi (5,702.87 km) |
| Hyattsville to Montemor-o-Novo | 3,606.53 mi (5,804.15 km) |
| Hyattsville to Montemor-o-Velho | 3,542.88 mi (5,701.72 km) |
| Hyattsville to Montijo | 3,571.78 mi (5,748.22 km) |
| Hyattsville to Mortagua | 3,557.88 mi (5,725.85 km) |
| Hyattsville to Moura | 3,658.93 mi (5,888.49 km) |
| Hyattsville to Murtosa | 3,530.65 mi (5,682.04 km) |
| Hyattsville to Nazare | 3,538.96 mi (5,695.41 km) |
| Hyattsville to Nelas | 3,574.34 mi (5,752.35 km) |
| Hyattsville to Obidos | 3,540.88 mi (5,698.50 km) |
| Hyattsville to Odemira | 3,615.55 mi (5,818.66 km) |
| Hyattsville to Odivelas | 3,555.01 mi (5,721.24 km) |
| Hyattsville to Oeiras | 3,551.11 mi (5,714.96 km) |
| Hyattsville to Olhao | 3,671.11 mi (5,908.09 km) |
| Hyattsville to Oliveira de Azemeis | 3,535.61 mi (5,690.01 km) |
